over the next 24 hours, we'll get as far south as atlanta. there will be some frost and freeze warnings down in north florida, as well. a pocket of cold air that goes to the deep south and seems to last. >> a lot of the country affected. sam, thanks very much. >>> we're going to turn to president obama, now, and what's in store for the second term after yesterday's inaugural. the speech, a call to action. and uncompromising annunciation of liberal principles. the question, now, what can get done on those big issues like gun control, gay rights, and climate change? abc's jon karl joins us from the white house. liberals were cheering yesterday. republicans, not so much. >> reporter: that's right, george. the president has set the tone for his second term. he went big. he went lofty. he went ambitious. and he went unmistakably liberal. over and over, president obama echos his campaign slogan. >> together. together we discover. together. >> reporter: with that, he invited all americans to celebrate the changing landscape of american culture. >> w